Question

Match each shape with its corresponding formula for area.

1. Parallelograms A = pi r2

2. Triangles A = 1/2 (b1+b2)·h

3. Trapezoids A = 1/2 b·h

4. Circles A = b·h

Answer 1

Here are the correct matches:

Parallelograms:

Triangles:

Trapezoids:

Circles:

Explanation:

Answer 2

Here are the correct matches:

• Parallelograms:
  `A=bh`
• Triangles:
  `A = (1)/(2)bh`
• Trapezoids:
  `A = ((b_1+b_2)h)/(2)`
• Circles:
  `A = \pi r^2`